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22 March, 05:39

Solve for x. square root (3x - 1) = 7 What is the root? If there is no root, choose none.

12

16

16 2/3

none

+3
Answers (1)
  1. 22 March, 08:13
    0
    √ (3x-1) = 7

    remove the radical by squaring both sides of the equation:

    (√ (3x-1)) ^2 = 7^2

    To get:

    3x-1 = 49

    Add 1 to each side:

    3x = 50

    Divide both sides by 3:

    X = 50/3

    x = 16 2/3
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